MCPInstall

image-manipulation-image-magick

by github OfficialMedia & Creative

Process and manipulate images using ImageMagick. Supports resizing, format conversion, batch processing, and retrieving image metadata. Use when working with images, creating thumbnails, resizing wallpapers, or performing batch image operations.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/github/awesome-copilot --skill image-manipulation-image-magick
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads image-manipulation-image-magick automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

Security audits

Independent scans of the skill's instructions and bundled files.

Gen Agent Trust Hub PassSAFE ·This skill provides standard templates and best practices for manipulating images using the ImageMagick 'magick' utility. It includes cross-platform examples and emphasizes security best practices like path quoting to prevent command injection.
Socket PassNo alerts
Snyk PassLOW ·Risk: LOW · No issues
Runlayer WarnMEDIUM ·1/1 file flagged
ZeroLeaks PassNONE ·Score: 93/100 · 2 sections analyzed

SKILL.md

The instructions your agent reads when the skill is triggered.

Image Manipulation with ImageMagick

This skill enables image processing and manipulation tasks using ImageMagick across Windows, Linux, and macOS systems.

When to Use This Skill

Use this skill when you need to:

  • Resize images (single or batch)
  • Get image dimensions and metadata
  • Convert between image formats
  • Create thumbnails
  • Process wallpapers for different screen sizes
  • Batch process multiple images with specific criteria

Prerequisites

  • ImageMagick installed on the system
  • Windows: PowerShell with ImageMagick available as magick (or at C:\Program Files\ImageMagick-*\magick.exe)
  • Linux/macOS: Bash with ImageMagick installed via package manager (apt, brew, etc.)

Core Capabilities

1. Image Information

  • Get image dimensions (width x height)
  • Retrieve detailed metadata (format, color space, etc.)
  • Identify image format

2. Image Resizing

  • Resize single images
  • Batch resize multiple images
  • Create thumbnails with specific dimensions
  • Maintain aspect ratios

3. Batch Processing

  • Process images based on dimensions
  • Filter and process specific file types
  • Apply transformations to multiple files

Usage Examples

Example 0: Resolve magick executable

PowerShell (Windows):

# Prefer ImageMagick on PATH
$magick = (Get-Command magick -ErrorAction SilentlyContinue)?.Source

# Fallback: common install pattern under Program Files
if (-not $magick) {
    $magick = Get-ChildItem "C:\\Program Files\\ImageMagick-*\\magick.exe" -ErrorAction SilentlyContinue |
        Select-Object -First 1 -ExpandProperty FullName
}

if (-not $magick) {
    throw "ImageMagick not found. Install it and/or add 'magick' to PATH."
}

Bash (Linux/macOS):

# Check if magick is available on PATH
if ! command -v magick &> /dev/null; then
    echo "ImageMagick not found. Install it using your package manager:"
    echo "  Ubuntu/Debian: sudo apt install imagemagick"
    echo "  macOS: brew install imagemagick"
    exit 1
fi

Example 1: Get Image Dimensions

PowerShell (Windows):

# For a single image
& $magick identify -format "%wx%h" path/to/image.jpg

# For multiple images
Get-ChildItem "path/to/images/*" | ForEach-Object { 
    $dimensions = & $magick identify -format "%f: %wx%h`n" $_.FullName
    Write-Host $dimensions 
}

Bash (Linux/macOS):

# For a single image
magick identify -format "%wx%h" path/to/image.jpg

# For multiple images
for img in path/to/images/*; do
    magick identify -format "%f: %wx%h\n" "$img"
done

Example 2: Resize Images

PowerShell (Windows):

# Resize a single image
& $magick input.jpg -resize 427x240 output.jpg

# Batch resize images
Get-ChildItem "path/to/images/*" | ForEach-Object { 
    & $magick $_.FullName -resize 427x240 "path/to/output/thumb_$($_.Name)"
}

Bash (Linux/macOS):

# Resize a single image
magick input.jpg -resize 427x240 output.jpg

# Batch resize images
for img in path/to/images/*; do
    filename=$(basename "$img")
    magick "$img" -resize 427x240 "path/to/output/thumb_$filename"
done

Example 3: Get Detailed Image Information

PowerShell (Windows):

# Get verbose information about an image
& $magick identify -verbose path/to/image.jpg

Bash (Linux/macOS):

# Get verbose information about an image
magick identify -verbose path/to/image.jpg

Example 4: Process Images Based on Dimensions

PowerShell (Windows):

Get-ChildItem "path/to/images/*" | ForEach-Object { 
    $dimensions = & $magick identify -format "%w,%h" $_.FullName
    if ($dimensions) {
        $width,$height = $dimensions -split ','
        if ([int]$width -eq 2560 -or [int]$height -eq 1440) {
            Write-Host "Processing $($_.Name)"
            & $magick $_.FullName -resize 427x240 "path/to/output/thumb_$($_.Name)"
        }
    }
}

Bash (Linux/macOS):

for img in path/to/images/*; do
    dimensions=$(magick identify -format "%w,%h" "$img")
    if [[ -n "$dimensions" ]]; then
        width=$(echo "$dimensions" | cut -d',' -f1)
        height=$(echo "$dimensions" | cut -d',' -f2)
        if [[ "$width" -eq 2560 || "$height" -eq 1440 ]]; then
            filename=$(basename "$img")
            echo "Processing $filename"
            magick "$img" -resize 427x240 "path/to/output/thumb_$filename"
        fi
    fi
done

Guidelines

  1. Always quote file paths - Use quotes around file paths that might contain spaces
  2. Use the & operator (PowerShell) - Invoke the magick executable using & in PowerShell
  3. Store the path in a variable (PowerShell) - Assign the ImageMagick path to $magick for cleaner code
  4. Wrap in loops - When processing multiple files, use ForEach-Object (PowerShell) or for loops (Bash)
  5. Verify dimensions first - Check image dimensions before processing to avoid unnecessary operations
  6. Use appropriate resize flags - Consider using ! to force exact dimensions or ^ for minimum dimensions

Common Patterns

PowerShell Patterns

Pattern: Store ImageMagick Path

$magick = (Get-Command magick).Source

Pattern: Get Dimensions as Variables

$dimensions = & $magick identify -format "%w,%h" $_.FullName
$width,$height = $dimensions -split ','

Pattern: Conditional Processing

if ([int]$width -gt 1920) {
    & $magick $_.FullName -resize 1920x1080 $outputPath
}

Pattern: Create Thumbnails

& $magick $_.FullName -resize 427x240 "thumbnails/thumb_$($_.Name)"

Bash Patterns

Pattern: Check ImageMagick Installation

command -v magick &> /dev/null || { echo "ImageMagick required"; exit 1; }

Pattern: Get Dimensions as Variables

dimensions=$(magick identify -format "%w,%h" "$img")
width=$(echo "$dimensions" | cut -d',' -f1)
height=$(echo "$dimensions" | cut -d',' -f2)

Pattern: Conditional Processing

if [[ "$width" -gt 1920 ]]; then
    magick "$img" -resize 1920x1080 "$outputPath"
fi

Pattern: Create Thumbnails

filename=$(basename "$img")
magick "$img" -resize 427x240 "thumbnails/thumb_$filename"

Limitations

  • Large batch operations may be memory-intensive
  • Some complex operations may require additional ImageMagick delegates
  • On older Linux systems, use convert instead of magick (ImageMagick 6.x vs 7.x)

FAQ

What does the image-manipulation-image-magick skill do?

Process and manipulate images using ImageMagick. Supports resizing, format conversion, batch processing, and retrieving image metadata. Use when working with images, creating thumbnails, resizing wallpapers, or performing batch image operations.

How do I install image-manipulation-image-magick?

Run npx skills add https://github.com/github/awesome-copilot --skill image-manipulation-image-magick in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/image-manipulation-image-magick/ (personal) or .claude/skills/image-manipulation-image-magick/ (project).

Which AI agents can use image-manipulation-image-magick?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is image-manipulation-image-magick safe to install?

Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed; Runlayer flagged items to review; ZeroLeaks passed. As with any skill, read the SKILL.md and bundled scripts before installing.

Who maintains image-manipulation-image-magick?

It is published by github in github/awesome-copilot, and it is an official skill from the maker of the technology it covers. It has 9,733 recorded installs.

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